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The Effect of Long-Acting Mesalamine on Post-Infective Irritable Bowel Syndrome- A Pilot Study

Phase 3
Completed
Conditions
Irritable Bowel Syndrome
Interventions
Drug: Placebo
Registration Number
NCT01412372
Lead Sponsor
University of Utah
Brief Summary

The purpose of this study is to evaluate the effects of long acting mesalamine (Lialda) in patients with Post-Infective Irritable Bowel Syndrome (PI-IBS). The investigators will evaluate gastrointestinal symptoms, IBS specific quality of life (IBS-QOL), and plasma cytokines before and after treatment with Lialda.

Detailed Description

This study will test long acting mesalamine in the management of PI-IBS. It has the potential to improve QOL and perhaps gastrointestinal symptoms, in patients with PI-IBS. The results of this study, if positive, will provide preliminary data for a large scale clinical trial.

This study will also provide information about plasma cytokines in patients with PI-IBS and whether improvement in symptoms correlates with improvement in plasma cytokines.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
61
Inclusion Criteria

Inclusion Criteria

  1. Men and women age 18-75 years
  2. Rome III criteria for IBS
  3. Symptom onset after apparent acute gastroenteritis
  4. Symptoms of 6 months or greater duration
  5. Normal gross appearance of the colonic mucosa other than erythema
  6. Negative markers for celiac disease and inflammatory bowel disease
  7. Normal thyroid function and serum calcium
  8. Stable medication regimens for other medical conditions.
Exclusion Criteria
  1. Age <18 or >75 years
  2. Previous diagnosis of or history compatible with IBS
  3. Constipation-predominant IBS.
  4. Clinically significant chronic cardiac, pulmonary, hepatic, renal dysfunction or HIV
  5. History of/or presence of malignancy
  6. Current evidence of any gastrointestinal disorder such as celiac disease, inflammatory bowel disease, chronic pancreatitis, scleroderma, HIV, small bowel or colonic resection, paraplegia or quadriplegia. .
  7. Current evidence of drug or alcohol abuse as judged by the investigator
  8. Allergy to mesalamine or aspirin
  9. Investigator perception of patient's inability to comply with the study protocol
  10. Unstable psychiatric disease
  11. Recent change in gastrointestinal medications

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
PlaceboPlaceboThis arm will include those who are randomized to the placebo
MesalamineMesalamineThis arm is for subjects randomized to the study drug, Mesalamine
Primary Outcome Measures
NameTimeMethod
Change in Average Overall Bowel Symptom Score (BSS) After an 8 Week Treatment PeriodBaseline and 8 weeks

BSS score measured from sum of BSS items of abdominal pain severity, bloating severity, diarrhea severity, constipation severity, and how satisfied are you with bowel habits, and measured on a scale of 0% to 100%, 0 being not severe and 100 being very severe.

Secondary Outcome Measures
NameTimeMethod
Change in Average Bowel Frequency After 8-Week Treatment PeriodBaseline and 8 weeks

Measured by the participant reported average number of daily bowel movements.

Change in Average Overall IBS Specific Quality of Life Score After an 8 Week Treatment Period.Baseline and 8 weeks

As measured by the IBS specific Quality of Life questionnaire which consists of 34 items scored on a scale of 0% to 100%, 0 being not at all and 100 being extremely.

Change in Average Bowel Consistency Score After an 8 Week Treatment Period.Baseline and 8 weeks

Measured using the Bristol Stool form scale 1-7, with 1 being the most formed and 7 the least formed.

Change in Average Abdominal Pain Score After an 8 Week Treatment PeriodBaseline and 8 weeks

Measured on a scale of 0% to 100%, 0 being not severe and 100 being very severe.

Change in Average Bloating Score After an 8 Week Treatment Period.Baseline and 8 weeks

Measured on a scale of 0% to 100%, 0 being not severe and 100 being very severe.

Trial Locations

Locations (1)

University of Utah

🇺🇸

Salt Lake City, Utah, United States

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